Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi thap vat slippers" » "thi thap vat slippers", "phoi thai vat slippers", "thi thao vat slippers", "phi tap vat slippers", "phi phap vat slippers", "phi thai vat slippers", "phi thap vat slippery", "phi thap vat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi thap vat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi thap vat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("phi thap vat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.